7 x 14 x 5 Millimeters

Stainless Steel, Ceramic Hybrid, Orange Sealed bearings are specially designed for any application seeking a high precision, free spinning bearing. These are the true secret weapon for serious rc racers and long distance casters. ABEC 7 tolerances makes the Orange Seal line the closest precision tolerance that Boca Bearings has to offer. The removable, non-contact rubber seals results in a bearing with less drag and that requires less maintenance than a typical shielded bearing. The Grade 5 ceramic Si3N4 balls will allow the bearing to be lighter and spin 50% faster than a traditional steel bearing. LD = Lube Dry Bearings have been clean and are free of all grease and Oils. SMR147C-2OS #7 LD (7x14x5)

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I received my bearings today and installed them in my Tiburon SST 30 reel. In the event you are not familiar with this brand of reel, they are a two speed automatic sifting reel that is popular on the west coats for tuna and elswhere for deep jigging. <p>Prior to receiving the orange seal high performance ceramic bearings I ordered, I checked the stock freespool of the reel, noting it to spin for 30 seconds. I then removed, degreased and re-lubed the stock bearings in this reel with Xtreme Reel Plus lubricant. It spun for 1:05. I lubed the orange seal ceramic bearings with the same lubricant, re-assembled the reel and tested it. It spun for 3:40. Quite a remarkable improvement that I am sure will help me better cast my live bait with heavy 100# test line.